Flare stack burner assembly



FIG. 1 is a perspective of the flare stack burner assembly;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines in the drawing represent environmental subject matter and form no part of the claim.

The flare stack burner assembly comprises a high pressure flare stack burner, a low pressure flare stack burner having a spherical valve and a central pilot. 

The ornamental design for a flare stack burner assembly, as shown and described. 